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Int J Surg Pathol 2020 Jun 2:1066896920928126. Epub 2020 Jun 2.

Washington University in St. Louis, MO, USA.

Pancreatic heterotopia is a well-described entity occurring at multiple abdominal sites, most commonly the stomach and small intestine. They can develop similar disease processes as the pancreas ranging from acute pancreatitis, cyst formation, or neoplasms, most commonly ductal adenocarcinoma. Neuroendocrine tumors (NETs) arising in pancreatic heterotopias are exceedingly rare with only 3 prior published cases. Read More

Int J Clin Oncol 2020 May 24. Epub 2020 May 24.

Department of Health Informatics, Kyoto University School of Public Health, Yoshida-Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan.

Background: There is no standard chemotherapy available for unresectable or metastatic small bowel adenocarcinoma (SBA) because of its rarity. This systematic review aims to assess the efficacy and safety of chemotherapy for patients with unresectable or metastatic SBA.

Methods: In accordance with the PRISMA statements, literature search was conducted using PubMed, Scopus, and the Cochrane Central Register of Controlled Trials. Read More

Pol J Pathol 2020 ;71(1):30-37

Most neuroendocrine neoplasms (NEN) are characterized by the presence of somatostatin receptors (SSTR) which we use in location diagnostics and treatment. The aim of this study was to evaluate the expression of somatostatin receptors by immunohistochemistry in tissue obtained after surgery of the primary focus in the small intestine. The group of patients consisted of 41 people, in 18 cases the primary tumor was in the jejunum and in 23 in the ileum. Read More

Zhonghua Bing Li Xue Za Zhi 2020 May;49(5):430-434

Department of Pathology, the Fourth Hospital of Hebei Medical University,Shijiazhuang 050011, China.

To investigate the expression difference in PD-L1 on mesenchymal infiltrating immune cells between the primary and metastatic breast cancers, and to explore its relationship with clinicopathological parameters. All cases of primary breast cancer and their matched metastases diagnosed at the Fourth Hospital of Hebei Medical University between January 2010 and December 2018 were included. Immunohistochemistry (IHC) was used to detect the expression of PD-L1 (SP142) in interstitial infiltrating immune cells, and the expression of ER, PR, HER2 and Ki-67 in primary and matched metastases was detected. Read More

Ann Ital Chir 2019 Dec 20;8. Epub 2019 Dec 20.

Gastrointestinal stromal tumors(GISTs) are rare neoplasms of the gastrointestinal(GI) system originating from the mesenchyme. GISTs mostly develop in the stomach and small intestine. We present here a case of jejunal GIST which is the rarest subtype. Read More

Anticancer Res 2020 May;40(5):2865-2869

Department of Surgery, St. George Hospital, Kogarah, NSW, Australia

Background: Cytoreductive surgery (CRS) and heated intraperitoneal chemotherapy (HIPEC) is associated with significant postoperative ileus (POI). This study examined intraoperative gastrointestinal wall thickness (GWT) and its association with patient outcomes.

Patients And Methods: A prospective study of patients undergoing CRS and HIPEC. Read More

Khirurgiia (Mosk) 2020 (4):24-29

Syzganov National Research Centre of Surgery, Almaty, Republic of Kazakhstan.

Objective: Retrospective analysis of patients with periampullary tumors undergoing pancreatoduodenectomy.

Material And Methods: A retrospective review included 48 patients with resectable periampullary tumors. Patients were divided into two groups according to the localization of cancer. Read More

Khirurgiia (Mosk) 2020 (4):11-17

Lomonosov Moscow State University, Faculty of Fundamental Medicine, Moscow, Russia.

Objective: To compare laparoscopic manual esophagoenterostomy and esophagoenterostomy with mechanical stapling anastomotic devices after laparoscopic gastrectomy for stomach cancer.

Material And Methods: There were 34 patients who underwent laparoscopic gastrectomy for stomach in 2015-2018. Roux-en-Y esophagoenterostomy was used to reconstruct the gastrointestinal tract. Read More

Zhonghua Wei Chang Wai Ke Za Zhi 2020 Apr;23(4):408-411

Beijing Da Xue Xue Bao Yi Xue Ban 2020 Apr;52(2):382-384

Department of Oncology, Hebei Hosptical of Traditional Chinese Medicine Affiliated to Hebei University of Traditional Chinese Medicine, Shijiazhuang 050011, China.

In recent years, there have been more and more reports about cystadenoma. Cystadenoma can occur in many parts of the body, and cystadenoma in different parts may show different clinical symptoms, however, some patients with cystadenoma have no symptoms. The vast majority of cystadenomas are benign lesions, but a small number of cystadenomas can be malignant. Read More

Arq Gastroenterol 2020 Jan-Mar;57(1):110-111

Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Departamento de Cirurgia e Anatomia; HCFMRP-USP, Ribeirão Preto, SP, Brasil.

Khirurgiia (Mosk) 2020 (3):67-73

Chita State Medical Academy of the Ministry of Health of Russia, Chita, Russia.

Objective: To analyze acute complications of stromal gastrointestinal tumors and determine diagnosis and optimal treatment of these patients.

Material And Methods: There were 33 patients with acute complications of GIST aged 40-74 years.

Results: Acute complications were presented by gastrointestinal and (or) intratumoral (interstitial) bleeding (n=31). Read More

JAMA 2020 04;323(13):1277-1285

Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, New York.

Importance: Celiac disease may be associated with a modest but persistent increased long-term mortality risk. It is uncertain whether this risk has changed in the era of wider diagnosis rates, less severe clinical disease, and more widespread availability of gluten-free food.

Objective: To evaluate the association between celiac disease and mortality risk in a population-based cohort in Sweden. Read More

Mutat Res 2020 Feb - Mar;850-851:503136. Epub 2020 Jan 15.

National Institute of Health Sciences, Division of Genetics and Mutagenesis, Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan.

Tumorigenesis induced by oxidative stress is thought to be initiated by mutagenesis, but via an indirect mechanism. The dose-response curves for agents that act by this route usually show a threshold, for unknown reasons. To gain insight into these phenomena, we have analyzed the dose response for mutagenesis induced by the oral administration of potassium bromate, a typical oxidative-stress-generating agent, to gpt delta mice. Read More

Jpn J Radiol 2020 Apr 4. Epub 2020 Apr 4.

Department of Radiology, Shiga University of Medical Science, Seta, Tsukinowa-cho, Otsu, Shiga, 520-2192, Japan.

Purpose: We aimed to compare the computed tomography (CT) imaging differences between gastric and intestinal gastrointestinal stromal tumors (GISTs).

Materials And Methods: Thirty-eight patients with 38 gastric GISTs and 27 with 31 intestinal GISTs were enrolled. Tumors were classified as small (< 5 cm) or large (≥ 5 cm). Read More

Anticancer Res 2020 Apr;40(4):2373-2377

Department of Surgical Oncology, The University of Tokyo, Tokyo, Japan.

Background/aim: The clinical significance of surgery for secondary small intestinal non-Hodgkin's lymphomas (NHL) remains unknown. This study aimed to investigate the efficacy of resection for both primary and secondary small intestinal NHL.

Patients And Methods: Twenty patients with small intestinal lymphoma who underwent surgical resection at our Institute between 2009 and 2017 were retrospectively evaluated. Read More

Z Gastroenterol 2020 Mar 20;58(3):241-244. Epub 2020 Mar 20.

Klinik für Innere Medizin und Gastroenterologie, Rhein-Maas-Klinikum, Würselen, Germany.

Treatment of adenoma of the major duodenal papilla is often a challenge for the endoscopist. We report about two patients with papillary adenoma who had residual adenoma in the center of the ductus hepatocholedochus papillary region after endoscopic papillectomy. Due to missing possibility of further endoscopic resection we carried out endobiliary radiofrequency ablation instead of surgical treatment. Read More

Mol Biol (Mosk) 2020 Jan-Feb;54(1):146-152

Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, 420008 Russia.

Migration of cancer cells from the primary tumor site to nearby tissues is the starting point of the metastatic process. The invasive properties of cells are especially important for carcinomas, since tumor cells need to overcome the basement membrane and go beyond its boundaries to the underlying tissues. Substances that reduce the invasive ability of malignant cells are promising as antimetastatic agents. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):1972-1974

Dept. of Surgery, Japanese Red Cross Hadano Hospital.

A 61-year-old man had a sudden severe abdominal pain and visited our hospital. He was diagnosed with intestinal perforation, given the peritoneal irritation symptoms, the thickening of the intestinal wall and free air as shown on enhanced abdominal computed tomography. He then underwent emergent surgery. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):1945-1947

Dept. of Surgery, Kyoundo Hospital.

A 51-year-old female presented to our hospital with a chief complaint of abdominal pain. A blood test showed high ALP value(7,001 IU/L), and the abdominal CT showed a mass lesion of 20 cm in diameter with calcification and infiltrated surroundings. From these findings, we diagnosed the patient with peritonealcancer pre-operatively. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):1943-1944

Dept. of Surgery, Chiba Kaihin Municipal Hospital.

The patient was a 75-year-old man who was diagnosed as having jejunal gastrointestinal stromal tumor(GIST)and underwent partial resection of the small intestine including the tumor 12 years ago. Two years after the first resection, recurrence was detected, and a second resection was performed. Ten years after the second resection following recurrence, he took imatinib, and computed tomography(CT)revealed abdominal and liver tumors. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2586-2588

Dept. of Surgery, Toyonaka Municipal Hospital.

A 60s man underwent upper gastrointestinal endoscopy at a regular medical check-up without symptoms, which showed an ulcerative region in the duodenal ampulla, measuring 3 cm in diameter. He was diagnosed with poorly differentiated adenocarcinoma on biopsy and referred to our hospital. Abdominal contrast-enhanced CT scan revealed an enhanced-ulcerative tumor, measuring 3 cm, at the duodenal ampulla. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2515-2517

Dept. of Gastrointestinal and Pediatric Surgery, Tokyo Medical University Hospital.

We report a case of colorectal cancer associated with Crohn's disease in a 50-year-old man. He had been diagnosed with Crohn's disease 26 years before and had undergone sigmoidectomy for sigmoid colon stenosis 19 years before. Ileal resection, was performed for ileus stenosis 12 years before. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2488-2490

Dept. of Surgery, Osaka General Hospital of West Japan Railway Company.

An intra-abdominaldesmoid tumor, especially omentaldesmoid tumor, is rare. Here, we report a case of omentaldesmoid tumor after a smallbowelresection for gastrointestinalstromaltumor (GIST). A 73-year-old man underwent a partial resection of smallbowelfor GIST. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2452-2454

Dept. of Surgery, Tohoku University Graduate School of Medicine.

A 69-year-old man was referred to our institute for the surgical resection of focal resistant peritoneal GIST during imatinib administration. He had been diagnosed with GIST of the small intestine with liver and peritoneal metastases, and imatinib treatment was initiated. Shortly after imatinib administration, the primary lesion perforated, and thus, partial resection of the small intestine was performed. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2357-2359

Dept. of Surgery, Kansai Rosai Hospital.

We report a case of liver metastases of ampullary carcinoma that achieved clinical complete response after gemcitabine plus cisplatin(GC)combination chemotherapy. A 69-year-old man with obstructive jaundice was diagnosed with ampullary carcinoma and underwent laparoscopic pancreaticoduodenectomy. Postoperative histopathological examination revealed pT3aN0M0, Stage ⅡA adenocarcinoma of the papilla of Vater. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2336-2338

Dept. of Surgery, Shuuwa General Hospital.

A woman in her mid-50's presented to our hospital with jaundice, fatigue, and fever. Jaundice, elevated tumor markers, and lower bile duct stricture suggested malignancy, for which subtotal stomach-preserving pancreaticoduodenectomy was performed. The patient also had annular pancreas as the second part of the duodenum was surrounded by pancreatic parenchyma. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2297-2299

Dept. of Surgery, Osaka City Juso Hospital.

A 71-year-old man underwent right hemi-hepatectomyfor a hepatocellular carcinoma(HCC)measuring 18 cm in diameter. The pathological diagnosis was poorlydifferentiated HCC. Ten months after the surgery, computed tomographyrevealed a nodule 12mm in diameter in the right lung as well as 2 nodules measuring 19 and 11mm in diameter in the retroperitoneum at the cranial aspect of the left kidney. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2234-2236

Dept. of Gastroenterological Surgery, Iseikai Hospital.

We report a case of metastasis to the small intestine from squamous cell carcinoma of the lung with fistula formation in the adjacent small intestine as well as an analysis of reported cases in Japan of small intestinal metastasis from lung cancer invading other organs. A 63-year-old man was diagnosed with squamous cell carcinoma of the lung as a result of pneumonia. Chemoradiotherapy was administered and sequential chemotherapy was performed, but a single brain metastasis of right parietal lobe was detected 6 months later. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2216-2218

Dept. of Surgery, National Hospital Organization Fukuyama Medical Center.

The rate of local and anastomotic recurrence after curative resection for colon cancer is quite low, at 2.1%. We describe an anastomotic recurrence that rapidly increased after transverse colon cancer resection. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2134-2136

Dept. of Surgery, Saiseikai Yahata General Hospital.

The authors report a case involving a 55-year-old female patient who presented with melena and anemia 8 years ago. Esophagogastroduodenoscopy, colonoscopy, and CT did not reveal any sign of lesions except multiple uterine myoma. On reevaluation after the onset of melena, we did not find any lesions. Read More

Gan To Kagaku Ryoho 2019 Dec;46(13):2122-2124

Dept. of Surgery, Sasebo Chuo Hospital.

This patient was a 96-year-old woman. She was referred to our hospital with abdominal pain and vomiting. The levels of the tumor markers CEA and CA19-9 were elevated, at 39. Read More

Chirurgia (Bucur) 2020 Jan-Feb;115(1):102-111

Goblet cell carcinoids (GCC) are extremelyrare neuroendocrine tumours, and characterised by their unique combination of two types of cancer cells âÃÂ" neuroendocrine (carcinoid) and epithelial (adeno-carcinoma). In spite of the fact that GCC is regarded as Neuro-Endocrine Tumour (NET), it does not illicit carcinoid syndrome. GCC usually arises in the appendix and accounting for less than 14% of all appendiceal tumours. Read More

Chirurgia (Bucur) 2020 Jan-Feb;115(1):12-22

Numerous procedures for reconstruction after total gastrectomy have been proposed in order to achieve the lowest postoperative morbidity. Roux-en-Y esojejunostomy is widely accepted as a standard reconstruction technique due to its simplicity and its satisfactory nutritional outcomes. The construction of a gastric pouch and the maintenance of the duodenal transit have been proposed to ameliorate the quality of life of patients with gastric cancer. Read More

Medicine (Baltimore) 2020 Mar;99(10):e19404

Department of Radiology, First Hospital of Jilin University, Changchun, Jilin Province, China.

Introduction: Colonic intramural hematomas are rarely encountered clinical entity. Colonic intramural hematomas are frequently associated with blunt trauma, and they could occur spontaneously in patients under anticoagulant therapy or with bleeding diathesis. There were few reports on synchronous colon cancer and intramural hematoma. Read More

Zhonghua Wei Chang Wai Ke Za Zhi 2020 Feb;23(2):170-176

The Third Department of Surgery, The Fourth Hospital, Hebei Medical University, Shijiazhuang 050017, China.

To explore the clinical significance of laparoscopic exploration combined with abdominal exfoliative cytology in the diagnosis and treatment of patients with locally advanced gastric cancer. Inclusion criteria: (1) cancer confirmed by gastroscopy and pathology without preoperative anti-tumor treatment; (2) no distant metastases found in preoperative imaging examinations; (3) patients without surgical contraindications and being tolerant to surgery; (4) patients were willing to undergo laparoscopic exploration and abdominal exfoliative cytology examination, and signed informed consent. A retrospective cohort study method was used to collect and analyze the clinicopathological data of 225 patients with advanced gastric cancer based on the above inclusion criteria from a prospective, multicenter, open, randomized controlled phase III clinical trial (registration No. Read More

Nat Methods 2020 03 17;17(3):335-342. Epub 2020 Feb 17.

Cell Communication Lab, Department of Oncology, University College London Cancer Institute, London, UK.

Despite the widespread adoption of organoids as biomimetic tissue models, methods to comprehensively analyze cell-type-specific post-translational modification (PTM) signaling networks in organoids are absent. Here, we report multivariate single-cell analysis of such networks in organoids and organoid cocultures. Simultaneous analysis by mass cytometry of 28 PTMs in >1 million single cells derived from small intestinal organoids reveals cell-type- and cell-state-specific signaling networks in stem, Paneth, enteroendocrine, tuft and goblet cells, as well as enterocytes. Read More

Medicine (Baltimore) 2020 Feb;99(7):e19162

Department of Pharmacy-Pharmaceutical Sciences, University of Bari, Bari, Italy.

Rationale: In the diagnostics of neuroendocrine tumors (NETs), scintigraphy and Single Photon Emission Computed Tomography/Computed Tomography (SPECT/CT) with Indium-Octreotide occupy a prominent place.The introduction in clinical practice of Gallium-labelled somatostatin analogues (DOTA-TOC, DOTA-TATE, DOTA-NOC) for Positron Emission Tomography/Computed Tomography (PET/CT), significantly improved NETs diagnostics due to greater sensitivity and improved lesion detection in addition to better patient convenience and decreased radiation dose.

Patient Concerns: We report a case of a patient who was diagnosed with a neuroendocrine tumor of the ileocecal valve. Read More

J Feline Med Surg 2020 Feb 12:1098612X20905035. Epub 2020 Feb 12.

Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy.

Objectives: Naturally occurring tumours in domestic cats are less common than in dogs and represent the leading cause of death among older animals. The main objective of this study was to analyse a large data set of histologically diagnosed tumours to highlight the most common World Health Organization (WHO) tumour histotypes, the effect of age and sex, and the International Classification of Diseases for Oncology (ICD-O) topographical site predilections of feline breed-specific tumours.

Methods: A total of 680 feline tumours diagnosed in European Shorthair cats by three veterinary diagnostic laboratories located in central Italy from 2013 to 2019 were collected. Read More

Medicine (Baltimore) 2020 Jan;99(3):e18797

Department of Liver Surgery & Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, P.R. China.

Rationale: Schwannomas are neoplasms that originate from Schwann cells of the peripheral nerve sheath with a low malignant potential. Considering that Schwannomas often occur in the upper extremities, trunk, head, and neck, but in the hepatoduodenal ligament has seldom been reported.

Patient Concerns: A 70-year-old man was referred to our hospital for further evaluation of distension in upper abdomen. Read More

Abdom Radiol (NY) 2020 03;45(3):623-631

Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.

Purpose: To determine how small bowel neuroendocrine neoplasms (SBNEN's) are diagnosed and examine the effect of CT enterography (CTE) on diagnosis and rates of disease-free survival.

Methods: Histopathologically-confirmed SBNEN's diagnosed at our institution between 1996 and 2016 were identified. Clinical presentation, radiology, endoscopy, surgery, and pathology reports were reviewed and compared between consecutive 5-year periods. Read More

Medicine (Baltimore) 2020 Jan;99(4):e18863

Department of Gastroenterology, The First Affiliated Hospital Of Soochow University, Soochow, Jiangsu, China.

Rationale: Hemolymphangioma is a benign tumor comprised of the newly-formed lymph spaces and blood vessels, which can usually be found in the head and neck of the affected children. There are few reports regarding cases with hemolymphangioma in small intestine, spleen, esophagus, and other organs.

Patient Concerns: Herein, a 55-year-old woman was presented in this study, she had complained of discomfort in the right upper abdomen for 2 months, and was discovered with a space-occupying lesion in proximal jejunum on computed tomography (CT). Read More

Clin Nucl Med 2020 Mar;45(3):e154-e155

Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, UOC di Radiologia, Dipartimento di Scienze Radiologiche, Radioterapiche ed Ematologiche Roma, Italia.

Amyloidosis is a rare hereditary or acquired protein deposition disorder with different etiologies, characterized by pathological protein deposition essentially in nearly any organs or tissues. There are 2 major forms: primary and secondary amyloidosis. Moreover, it is possible to have systemic or localized disease. Read More

Acta Gastroenterol Belg 2019 Oct-Dec;82(4):546-547

Izmir Katip Çelebi University, Atatürk Training and Research Hospital, General Surgery Clinics, Izmir, Turkey.

J Gastrointest Oncol 2019 Dec;10(6):1144-1150

Department of Pathology, Zhongshan Hospital Affiliated to Fudan University, Shanghai 200023, China.

Malignant gastrointestinal neuroectodermal tumor (GNET), is a rare soft tissue sarcoma. Here we report a case of GNET arising in the intestine of a 33-year-old female, who had been treated for gastric adenocarcinoma with surgery and chemotherapy at the age of 19, in 2001. Since then, she underwent follow-up care annually and kept disease free. Read More

Prague Med Rep 2019 ;120(4):138-143

Division of Gastroenterology and Hepatology, Department of Internal Medicine, University Hospital Centre Zagreb, Zagreb, Croatia.

Hemangioma of the small intestine is a rare vascular malformation which mostly presents as occult gastrointestinal bleeding and iron-deficiency anemia. Patients are often asymptomatic except of fatigue due to anemia. Hemangiomas can arise anywhere in the luminal gastrointestinal tract, with jejunum as the most commonly involved site. Read More

BMC Gastroenterol 2020 Jan 13;20(1). Epub 2020 Jan 13.

Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kawasaki Municipal Tama Hospital, 1-30-37, Shukugawara, Tama-Ku, Kawasaki, Japan.

Background: Epstein-Barr virus-positive mucocutaneous ulcer (EBV-MCU) is a new category of mature B-cell neoplasms. Ulcers occur in the oropharyngeal mucosa, skin, and gastrointestinal tract. The onset of EBV-MCU is suggested to be related to the decreased immunity of the patient, the causes of which include the use of immunosuppressive agents and aging. Read More

Int J Radiat Oncol Biol Phys 2020 02;106(2):440-448

Department of Radiation Oncology, University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address:

Purpose: Recent studies suggest that ultrahigh-dose-rate, "FLASH," electron radiation therapy (RT) decreases normal tissue damage while maintaining tumor response compared with conventional dose rate RT. Here, we describe a novel RT apparatus that delivers FLASH proton RT (PRT) using double scattered protons with computed tomography guidance and provide the first report of proton FLASH RT-mediated normal tissue radioprotection.

Methods And Materials: Absolute dose was measured at multiple depths in solid water and validated against an absolute integral charge measurement using a Faraday cup. Read More

Chirurgia (Bucur) 2019 Nov-Dec;114(6):686-692

One Anastomosis Gastric Bypass (OAGB) is a bariatric technique that combines a long tube-like gastric conduit with a wide end-to-side gastro-jejunostomy. It is a non-complex operation with a low frequency of intestinal obstructions and an excellent long-term weight loss, however, there is a fear of esophagogastric cancer. This narrative review explores the risk of cancer development after OAGB. Read More

Ann R Coll Surg Engl 2020 Apr 13;102(4):e1-e4. Epub 2020 Jan 13.

Çukurova University, Faculty of Medicine, Department of General Surgery, Adana, Turkey.

While appendiceal intussusception is an uncommon pathological condition, mucinous cystadenoma of the appendix is a particularly rare entity. We report a case of appendiceal intussusception induced by a mucinous cystadenoma presenting as acute appendicitis. A 37-year-old woman was admitted with a one-day history of acute onset, right lower abdominal pain. Read More